From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 99AF542B9B for ; Thu, 25 May 2023 12:10:00 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8CF5B42D36; Thu, 25 May 2023 12:10:00 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by mails.dpdk.org (Postfix) with ESMTP id 2D3CB40DF8; Thu, 25 May 2023 12:09:54 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34PA2UjJ020269; Thu, 25 May 2023 03:09:53 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=CuchXPbCdeFy2+MSWfeIl9xDHaRuDOo/V9V4cjMWk28=; b=jL5e8LsfUZ9Mow0vxybACn6yhfTBnSUvayOCFPUUPaEN/hxrmos5EDfJgcFarPfVEkrh yKRy/FvmjZ6/XBXhce7M3ZF/9CRezAgEI6gfAJgC/zeZf564vJLPQsn/q18wzhFSzy7Y NWP+mPZgbk5f5/8fkc0LWU6CPs+zizttrInyxxxH0TUPdMUuUsoCOcpxkeB71/Y5lXTx BEaYPDL773bARC6MqVpOiLbr07vG8375rMOJzn0pHd6bsCRv3Lflzp26qzfMQsbAsIC5 iQImyog94yF7No+PFaULuchPg93QawADSxOCx9mYUpWRKvW0Wv29FTH/L0f7ZLBNnsxY 1g== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3qt5jng0kq-6 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 25 May 2023 03:09:53 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 25 May 2023 03:09:40 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Thu, 25 May 2023 03:09:39 -0700 Received: from hyd1588t430.caveonetworks.com (unknown [10.29.52.204]) by maili.marvell.com (Postfix) with ESMTP id 8130C5B6AB1; Thu, 25 May 2023 02:59:26 -0700 (PDT) From: Nithin Dabilpuram To: Nithin Kumar Dabilpuram , Kiran Kumar K , Sunil Kumar Kori , Satha Rao CC: , , Rahul Bhansali , Subject: [PATCH v3 03/32] common/cnxk: fix CPT backpressure disable on LBK Date: Thu, 25 May 2023 15:28:35 +0530 Message-ID: <20230525095904.3967080-3-ndabilpuram@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230525095904.3967080-1-ndabilpuram@marvell.com> References: <20230411091144.1087887-1-ndabilpuram@marvell.com> <20230525095904.3967080-1-ndabilpuram@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: CW7OgWr_rkgD929SG_fs_yzZm-TAsHEI X-Proofpoint-GUID: CW7OgWr_rkgD929SG_fs_yzZm-TAsHEI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-25_06,2023-05-24_01,2023-05-22_02 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org From: Rahul Bhansali For LBK interfaces, roc_nix_inl_inb_is_enabled() is false, hence backpressure on CPT is disabled and causing CQ full interrupt. NIXX_AF_RX_CHAN[0x800]_CFG is global config for all PF, VF of RPM/LBK, hence backpressure disable on CPT is not required. Fixes: 0663a84524e5 ("common/cnxk: enable backpressure on CPT with inline inbound") cc: stable@dpdk.org Signed-off-by: Rahul Bhansali --- drivers/common/cnxk/roc_nix_fc.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) diff --git a/drivers/common/cnxk/roc_nix_fc.c b/drivers/common/cnxk/roc_nix_fc.c index 8feb773e1d..6d6997ed82 100644 --- a/drivers/common/cnxk/roc_nix_fc.c +++ b/drivers/common/cnxk/roc_nix_fc.c @@ -87,25 +87,11 @@ nix_fc_rxchan_bpid_set(struct roc_nix *roc_nix, bool enable) if (rc) goto exit; nix->cpt_lbpid = rsp->chan_bpid[0] & 0x1FF; - } else { - req = mbox_alloc_msg_nix_cpt_bp_disable(mbox); - if (req == NULL) - goto exit; - req->chan_base = 0; - if (roc_nix_is_lbk(roc_nix) || roc_nix_is_sdp(roc_nix)) - req->chan_cnt = NIX_LBK_MAX_CHAN; - else - req->chan_cnt = NIX_CGX_MAX_CHAN; - req->bpid_per_chan = 0; - - rc = mbox_process_msg(mbox, (void *)&rsp); - if (rc) - goto exit; - nix->cpt_lbpid = 0; } /* CPT to NIX BP on all channels */ - if (!roc_feature_nix_has_rxchan_multi_bpid() || !nix->cpt_nixbpid) + if (!roc_feature_nix_has_rxchan_multi_bpid() || !nix->cpt_nixbpid || + !roc_nix_inl_inb_is_enabled(roc_nix)) goto exit; mbox_put(mbox); -- 2.25.1